Home / 11,218.56-16,822.26-6,540.18

Finding the Fourth Proportional to 11,218.56, 16,822.26 and 6,540.18

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Solution

The fourth proportional to 11,218.56, 16,822.26 and 6,540.18 is: 9,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.56 : 16,822.26 = 6,540.18 : x
  2. Step 2: Convert to fraction form
    11,218.56/16,822.26 = 6,540.18/x
  3. Step 3: Cross multiply
    11,218.56x = 16,822.26 × 6,540.18
  4. Step 4: Simplify right side
    11,218.56x = 110,020,608.41
  5. Step 5: Solve for x
    x = 110,020,608.41/11,218.56
  6. Step 6: Final answer
    x = 9,807.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.